.header{
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: .44rem;
  background-color: #f40;
  color: #fff;
}

.header h2{
  font-size: .16rem;
}

.edit{
  display: none;
  position: absolute;
  top: .12rem;
  right: .15rem;
  color: #fff;
  font-size: .14rem;

  &.show{
    display: inline;
  }
}